Serta iComfort CF 4000 14 inch Hybrid Mattress

Max Cold? Cover: Made from super cool high-performance fibers for an instant cool-to-the-touch sensation. UltraCold System?: This layer of extra-cool Carbon Fiber Memory Foam is engineered to work hard at absorbing excess heat from your body, then channel it away, all while you sleep comfortably.Carbon Fiber Memory Foam: Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body and provides exceptional strength for back and neck support.Air Support? Foam: This exclusive air-cushion technology moves with your body and smartly contours around it to help alleviate aches and pains caused by pressure points.Twin-size Dimensions Mattress: 14 inches high x 39 inches wide x 75 inches long Twin XL-size Dimensions Mattress: 14 inches high x 39 inches wide x 80 inches long Full-size Dimensions Mattress: 14 inches high x 53 inches wide x 75 inches long Queen-size Dimensions Mattress: 14 inches high x 60 inches wide x 80 inches long King-size Dimensions Mattress: 14 inches high x 76 inches wide x 80 inches long California King-size Dimensions Mattress: 14 inches high x 72 inches wide x 84 inches long